DRILLING MUD FOR DRILLING IN FALLING DOWN ROCKS Russian patent published in 2001 - IPC

Abstract RU 2163248 C2

FIELD: drilling engineering. SUBSTANCE: drilling mud designed for drilling oil and gas wells contains, wt %: clay 10-25, polyglycol 3-5, stabilization reagent 0.3-1.0, liquid glass (potassium silicate) 0.5-3.0, potassium chloride 3- 15, and water - the balance. EFFECT: improved inhibitory, lining, and hydrophobizing properties and reduced consumption of stabilization reagents. 3 tbl, 3 ex

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RU 2 163 248 C2

Authors

Andreson B.A.

Bochkarev G.P.

Fatkhutdinov I.Kh.

Mudarisov M.I.

Jusupov R.A.

Dates

2001-02-20—Published

1998-12-16—Filed